1/* 2 * Copyright (c) 2005-2006 Intel Corporation. All rights reserved. 3 * 4 * This software is available to you under a choice of one of two 5 * licenses. You may choose to be licensed under the terms of the GNU 6 * General Public License (GPL) Version 2, available from the file 7 * COPYING in the main directory of this source tree, or the 8 * OpenIB.org BSD license below: 9 * 10 * Redistribution and use in source and binary forms, with or 11 * without modification, are permitted provided that the following 12 * conditions are met: 13 * 14 * - Redistributions of source code must retain the above 15 * copyright notice, this list of conditions and the following 16 * disclaimer. 17 * 18 * - Redistributions in binary form must reproduce the above 19 * copyright notice, this list of conditions and the following 20 * disclaimer in the documentation and/or other materials 21 * provided with the distribution. 22 * 23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30 * SOFTWARE. 31 */ 32 33#ifndef RDMA_USER_CM_H 34#define RDMA_USER_CM_H 35 36#include <linux/types.h> 37#include <linux/in6.h> 38#include <rdma/ib_user_verbs.h> 39#include <rdma/ib_user_sa.h> 40 41#define RDMA_USER_CM_ABI_VERSION 4 42 43#define RDMA_MAX_PRIVATE_DATA 256 44 45enum { 46 RDMA_USER_CM_CMD_CREATE_ID, 47 RDMA_USER_CM_CMD_DESTROY_ID, 48 RDMA_USER_CM_CMD_BIND_ADDR, 49 RDMA_USER_CM_CMD_RESOLVE_ADDR, 50 RDMA_USER_CM_CMD_RESOLVE_ROUTE, 51 RDMA_USER_CM_CMD_QUERY_ROUTE, 52 RDMA_USER_CM_CMD_CONNECT, 53 RDMA_USER_CM_CMD_LISTEN, 54 RDMA_USER_CM_CMD_ACCEPT, 55 RDMA_USER_CM_CMD_REJECT, 56 RDMA_USER_CM_CMD_DISCONNECT, 57 RDMA_USER_CM_CMD_INIT_QP_ATTR, 58 RDMA_USER_CM_CMD_GET_EVENT, 59 RDMA_USER_CM_CMD_GET_OPTION, 60 RDMA_USER_CM_CMD_SET_OPTION, 61 RDMA_USER_CM_CMD_NOTIFY, 62 RDMA_USER_CM_CMD_JOIN_MCAST, 63 RDMA_USER_CM_CMD_LEAVE_MCAST, 64 RDMA_USER_CM_CMD_MIGRATE_ID 65}; 66 67/* 68 * command ABI structures. 69 */ 70struct rdma_ucm_cmd_hdr { 71 __u32 cmd; 72 __u16 in; 73 __u16 out; 74}; 75 76struct rdma_ucm_create_id { 77 __u64 uid; 78 __u64 response; 79 __u16 ps; 80 __u8 reserved[6]; 81}; 82 83struct rdma_ucm_create_id_resp { 84 __u32 id; 85}; 86 87struct rdma_ucm_destroy_id { 88 __u64 response; 89 __u32 id; 90 __u32 reserved; 91}; 92 93struct rdma_ucm_destroy_id_resp { 94 __u32 events_reported; 95}; 96 97struct rdma_ucm_bind_addr { 98 __u64 response; 99 struct sockaddr_in6 addr; 100 __u32 id; 101}; 102 103struct rdma_ucm_resolve_addr { 104 struct sockaddr_in6 src_addr; 105 struct sockaddr_in6 dst_addr; 106 __u32 id; 107 __u32 timeout_ms; 108}; 109 110struct rdma_ucm_resolve_route { 111 __u32 id; 112 __u32 timeout_ms; 113}; 114 115struct rdma_ucm_query_route { 116 __u64 response; 117 __u32 id; 118 __u32 reserved; 119}; 120 121struct rdma_ucm_query_route_resp { 122 __u64 node_guid; 123 struct ib_user_path_rec ib_route[2]; 124 struct sockaddr_in6 src_addr; 125 struct sockaddr_in6 dst_addr; 126 __u32 num_paths; 127 __u8 port_num; 128 __u8 reserved[3]; 129}; 130 131struct rdma_ucm_conn_param { 132 __u32 qp_num; 133 __u32 reserved; 134 __u8 private_data[RDMA_MAX_PRIVATE_DATA]; 135 __u8 private_data_len; 136 __u8 srq; 137 __u8 responder_resources; 138 __u8 initiator_depth; 139 __u8 flow_control; 140 __u8 retry_count; 141 __u8 rnr_retry_count; 142 __u8 valid; 143}; 144 145struct rdma_ucm_ud_param { 146 __u32 qp_num; 147 __u32 qkey; 148 struct ib_uverbs_ah_attr ah_attr; 149 __u8 private_data[RDMA_MAX_PRIVATE_DATA]; 150 __u8 private_data_len; 151 __u8 reserved[7]; 152}; 153 154struct rdma_ucm_connect { 155 struct rdma_ucm_conn_param conn_param; 156 __u32 id; 157 __u32 reserved; 158}; 159 160struct rdma_ucm_listen { 161 __u32 id; 162 __u32 backlog; 163}; 164 165struct rdma_ucm_accept { 166 __u64 uid; 167 struct rdma_ucm_conn_param conn_param; 168 __u32 id; 169 __u32 reserved; 170}; 171 172struct rdma_ucm_reject { 173 __u32 id; 174 __u8 private_data_len; 175 __u8 reserved[3]; 176 __u8 private_data[RDMA_MAX_PRIVATE_DATA]; 177}; 178 179struct rdma_ucm_disconnect { 180 __u32 id; 181}; 182 183struct rdma_ucm_init_qp_attr { 184 __u64 response; 185 __u32 id; 186 __u32 qp_state; 187}; 188 189struct rdma_ucm_notify { 190 __u32 id; 191 __u32 event; 192}; 193 194struct rdma_ucm_join_mcast { 195 __u64 response; /* rdma_ucm_create_id_resp */ 196 __u64 uid; 197 struct sockaddr_in6 addr; 198 __u32 id; 199}; 200 201struct rdma_ucm_get_event { 202 __u64 response; 203}; 204 205struct rdma_ucm_event_resp { 206 __u64 uid; 207 __u32 id; 208 __u32 event; 209 __u32 status; 210 union { 211 struct rdma_ucm_conn_param conn; 212 struct rdma_ucm_ud_param ud; 213 } param; 214}; 215 216/* Option levels */ 217enum { 218 RDMA_OPTION_ID = 0, 219 RDMA_OPTION_IB = 1 220}; 221 222/* Option details */ 223enum { 224 RDMA_OPTION_ID_TOS = 0, 225 RDMA_OPTION_IB_PATH = 1 226}; 227 228struct rdma_ucm_set_option { 229 __u64 optval; 230 __u32 id; 231 __u32 level; 232 __u32 optname; 233 __u32 optlen; 234}; 235 236struct rdma_ucm_migrate_id { 237 __u64 response; 238 __u32 id; 239 __u32 fd; 240}; 241 242struct rdma_ucm_migrate_resp { 243 __u32 events_reported; 244}; 245 246#endif /* RDMA_USER_CM_H */ 247